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.SH
Process Structure
.PP
The Plan 9 file system server is made from
an ancient version of the Plan 9 kernel.
The kernel contains process control,
synchronization,
locks,
and some memory
allocation.
The kernel has no user processes or
virtual memory.
.PP
The structure of the file system server
is a set of kernel processes
synchronizing mostly through message passing.
In
.I fs64
there are 27 processes of 11 types:
.KS
.TS
center ;
c l c
n lf(CW) l .
number  name    function
_
15      srv     Main file system server processes
1       rah     Block read-ahead processes
1       scp     Sync process
1       wcp     WORM copy process
1       con     Console process
1       ilo     IL protocol process
1       ilt     IL timer process
2       ethi    Ethernet input process
2       etho    Ethernet output process
1       flo     Floppy disk process
1       snt     sntp clock-synchronisation process
.TE
.KE